Blood processing machine



FIG. 1 is a front perspective view of the blood processing machine embodying our new design;

FIG. 2 is a front elevational view of the blood processing machine;

FIG. 3 is a side elevational view of the blood processing machine; and

FIG. 4 is a top plan view of the blood processing machine.

The undisclosed rear portion of the blood processing machine is plain and unornamented. 

The ornamental design for a blood processing machine, substantially as shown and described. 